1
22
23 package com.liferay.portal.kernel.search;
24
25 import java.util.ArrayList;
26 import java.util.Comparator;
27 import java.util.List;
28
29
34 public class DocumentComparator implements Comparator<Document> {
35
36 public DocumentComparator() {
37 this(true, false);
38 }
39
40 public DocumentComparator(boolean asc, boolean caseSensitive) {
41 _asc = asc;
42 _caseSensitive = caseSensitive;
43 }
44
45 public void addOrderBy(String name) {
46 addOrderBy(name, _asc, _caseSensitive);
47 }
48
49 public void addOrderBy(String name, boolean asc, boolean caseSensitive) {
50 DocumentComparatorOrderBy orderBy = new DocumentComparatorOrderBy(
51 name, asc, caseSensitive);
52
53 _columns.add(orderBy);
54 }
55
56 public int compare(Document doc1, Document doc2) {
57 for (DocumentComparatorOrderBy orderBy : _columns) {
58 String value1 = doc1.get(orderBy.getName());
59 String value2 = doc2.get(orderBy.getName());
60
61 if (!orderBy.isAsc()) {
62 String temp = value1;
63
64 value1 = value2;
65 value2 = temp;
66 }
67
68 int result = 0;
69
70 if ((value1 != null) && (value2 != null)) {
71 if (orderBy.isCaseSensitive()) {
72 result = value1.compareTo(value2);
73 }
74 else {
75 result = value1.compareToIgnoreCase(value2);
76 }
77 }
78
79 if (result != 0) {
80 return result;
81 }
82 }
83
84 return 0;
85 }
86
87 private boolean _asc;
88 private boolean _caseSensitive;
89 private List<DocumentComparatorOrderBy> _columns =
90 new ArrayList<DocumentComparatorOrderBy>();
91
92 }